Van Dyken Rouen, 41, was in the ICU at Scottsdale Healthcare Osborn Medical Center but was listed in good condition, a hospital spokesperson said.

Her husband, former Denver Broncos punter Tom Rouen, told the Denver Post that she suffered a broken back in the accident. The Associated Press reported that she severed her spine. A post on Facebook from the Van Dyken and Rouen families said she severed her spinal cord at the T11 verbebra and that the broken vertebra came within millimeters of rupturing her aorta.

USA Swimming released a statement Monday:

"The USA Swimming family is devastated to learn of Amy Van Dyken's unfortunate accident this weekend. We're happy to hear that she escaped and is now in great care. That she is already 'acting like her typical spunky, boisterous, ebullient self' shows she's on a great path.

"Amy is a champion who has proven throughout her life that she is a fighter who takes on challenges and comes out on top. We know Amy will tackle her rehabilitation with vigor and be back on her feet sooner rather than later."

(Photo: David Zalubowski, AP)

On Friday, Show Low police officers, according to their report, were dispatched to the Torreon Golf Club at 7:55 p.m. after receiving a 911 call about Van Dyken Rouen's accident.

Van Dyken Rouen was conscious but had trouble breathing and was without feeling in her legs. A witness saw Van Dyken Rouen drive an ATV through a parking lot and "launch over" a curb. She was not wearing a helmet. The witness said he ran to Van Dyken Rouen, found her unresponsive and called 911.

Rouen told the Denver Post that the ATV tumbled down an embankment. He was on a motorcycle and came to Van Dyken Rouen's aid.

"She wasn't breathing," Rouen told the Post. "I raised up the back of her neck with my hand; she started gasping for air."

Police spoke with Rouen, who said he had recently switched the throttle mechanism on the ATV from a thumb accelerator to a twist accelerator and did not know whether that was a factor in the accident. The police found no evidence of alcohol being a factor in the accident, and no charges were filed.

University of Arizona swim coach Rick DeMont said Van Dyken Rouen "had the meet of her life (at the 1996 Olympics) at the right time and goes down in history because of it. That's something you can never take away. I wish her all the best. I hope there is some healing coming."

2012 Olympian Breeja Larson said of Van Dyken Rouen: "It's heartbreaking for someone whose whole passion is to be active. To have it stripped from you is really rough. I hope the best for her. I can't even fathom what my Plan B would be (if put in the same situation)."

Van Dyken Rouen, 41, overcame asthma to win the 50-meter freestyle and 100 butterfly at the 1996 Olympics and also was on two winning relays, becoming the first U.S woman to win four golds at one Olympics. She added two more Olympic relay golds in 2000.

She has lived in Arizona in recent years, working in local radio and later nationally for Fox Sports Radio. She swam for the University of Arizona for two years before transferring back to her home state to attend Colorado State. She was inducted into the U.S. Olympic Committee Hall of Fame in 2008.

Olympic swimmer Amy Van Dyken-Rouen, flanked by Craig Hospital CEO Mike Fordyce (right) and her husband Tom Rouen talks with members of the media about inspirational staff and fellow patients on the day of her discharge from Craig Hospital, in Englewood, Colo., Thursday, Aug. 14, 2014.
AP Photo/Brennan Linsley

Former Olympic swimming champion Amy Van Dyken-Rouen leaves the ambulance before chatting with the media in the hanger before going on an Angel MedFlight at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014. Van Dyken-Rouen severed her spinal cord in an ATV accident on June 6.
Charlie Leight/azcentral sports

Former Olympic swimming champion Amy Van Dyken-Rouen talks with the media in the hanger before going on an Angel MedFlight at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014.
Charlie Leight/azcentral sports

Former Olympic swimming champion Amy Van Dyken-Rouen, with her neuro surgeon Luis Manuel Tumialan, talks with the media in the hanger before going on an Angel MedFlight at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014.
Charlie Leight/azcentral sports

Former Olympic swimming champion Amy Van Dyken-Rouen, listens to her neurologic surgeon Luis Manuel Tumialan explain the severity of her injury in the hanger before going on an Angel MedFlight at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014.
Charlie Leight/azcentral sports

Former Olympic swimming champion Amy Van Dyken-Rouen is moved to tears as she talks with the media in the hanger before going on an Angel MedFlight at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014.
Charlie Leight/azcentral sports

Former Olympic swimming champion Amy Van Dyken-Rouen gets a hug from her husband Tom Rouen before being loaded on the Angel MedFlight Lear Jet 35, at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014.
Charlie Leight/azcentral sports

Former Olympic swimming champion Amy Van Dyken-Rouen gets a hug from her husband Tom Rouen before being loaded on the Angel MedFlight Lear Jet 35, at the Scottsdale Airport on her way to Denver's Craig Hospital, on Wednesday, June 18, 2014.
Charlie Leight/azcentral sports

Tom Rouen talks about his wife, former Olympic swimming champion Amy Van Dyken-Rouen at the Scottsdale Airport on Wednesday, June 18, 2014. Van Dyken-Rouen is on an Angel MedFlight on her way to Denver's Craig Hospital for rehab therapy.
Charlie Leight/azcentral sports

Sept. 16, 2000: Swimmers Amy Van Dyken, Dana Torres, Courtney Shealy, and Jenny Thompson receive their medals after winning the Women's 4X100m Freestyle Relay final at the Sydney International Aquatic Centre. The US women's 4X100m Freestyle Relay team finished first with a new world record time.
Rob Schumacher/azcentral sports

July 31, 1996: Amy Van Dyken of the USA poses for a studio portrait with her four Gold Medals during the 1996 Olympic Games at Georgia Tech Aquatic Center in Atlanta, Georgia. Van Dyken was injured in an accident on her all-terrain vehicle in Arizona. A hospital spokeswoman didn't provide details Monday on the injuries. The swimmer was hurt Friday night, June 6, 2014, and told emergency workers at the scene she could not move her toes or feel anything touching her legs.
Simon Bruty /Allsport

Sept. 16, 2000: US swimmers Amy Van Dyken, Dara Torres, and Courtney Shealy yell as teammate Jenny Thompson nears the finish of the Women's 4X100m Freestyle Relay final at the Sydney International Aquatic Centre. The US women's 4X100m Freestyle Relay team finished first with a new world record time.
Rob Schumacher/azcentral sports

Sept. 16, 2000: US swimmers Amy Van Dyken, Dara Torres, and Courtney Shealy yell as teammate Jenny Thompson nears the finish of the Women's 4X100m Freestyle Relay final at the Sydney International Aquatic Centre. The US women's 4X100m Freestyle Relay team finished first with a new world record time.
Rob Schumacher/azcentral sports

Sept. 16, 2000: Swimmers Amy Van Dyken, Dana Torres, Courtney Shealy, and Jenny Thompson taste some "gold " after winning the Women's 4X100m Freestyle Relay final at the Sydney International Aquatic Centre. The US women's 4X100m Freestyle Relay team finished first with a new world record time.
Rob Schumacher/azcentral sports